48 lines
1.8 KiB
HTML
48 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<html class=reftest-wait>
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<title>View transitions: capture opacity elements</title>
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<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
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<link rel="author" href="mailto:vmpstr@chromium.org">
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<link rel="match" href="old-content-captures-opacity-ref.html">
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<meta name=fuzzy content="maxDifference=0-1; totalPixels=0-50000">
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<script src="/common/reftest-wait.js"></script>
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<style>
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.box {
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color: red;
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background: lightblue;
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width: 100px;
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height: 100px;
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contain: paint;
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position: absolute;
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font-size: 30pt;
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}
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#e1 { opacity: 0.75; top: 20px; left: 20px; view-transition-name: e1; }
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#e2 { opacity: 0.5; top: 160px; left: 20px; view-transition-name: e2; }
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#e3 { opacity: 0.25; top: 300px; left: 20px; view-transition-name: e3; }
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div.dst { background: lightgreen; }
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/* We're verifying what we capture, so just display the old contents for 5 minutes. */
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html::view-transition-group(*) { animation-duration: 300s; }
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html::view-transition-new(*) { animation: unset; opacity: 0; }
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html::view-transition-old(*) { animation: unset; opacity: 1; }
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/* hide the root so we show transition background to ensure we're in a transition */
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html::view-transition-group(root) { animation: unset; opacity: 0; }
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html::view-transition { background: lightpink; }
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</style>
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<div id=e1 class=box>one</div>
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<div id=e2 class=box>two</div>
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<div id=e3 class=box>three</div>
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<script>
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failIfNot(document.startViewTransition, "Missing document.startViewTransition");
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async function runTest() {
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document.startViewTransition(() => {
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e1.classList.add("dst");
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e2.classList.add("dst");
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e3.classList.add("dst");
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requestAnimationFrame(() => requestAnimationFrame(takeScreenshot));
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});
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}
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onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
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</script>
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